CHARACTERISTICS OF A BIOPOLYMER FLOCCULENT PRODUCED BY BACILLUS SP.AS-101

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VOSOUGHI M.; AALEMZADEH I.; SALEHIZADEH H.

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Journal: SCIENTIA IRANICA Year:2001 | Volume:8 | Issue:3 (BIOTECHNOLOGY AND BIOENIRONMENTAL ENGINEERING) Page(s): 207-210

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Title

CHARACTERISTICS OF A BIOPOLYMER FLOCCULENT PRODUCED BY BACILLUS SP.AS-101

Author(s)

VOSOUGHI M. | AALEMZADEH I. | SALEHIZADEH H. | Issue Writer Certificate

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Abstract

In this paper, biopolymer flocculant-producing bacteria, strain As-101, isolated from activated sludge and identified as Bacillus species is considered. Study of the basic characteristics and comparison of the strain were carried out according to Bergey's manual of bacteriology and the bacterium was identified as Bacillus Coagulants. The activated sludge was treated by a commercial protease (trypsin) with an optimum concentration of 0.4 mg/ml for producing the maximum extent of deflocculation, which was near 16%. The production of bioflocculant by Bacillus As-101 was not parallel to the cell growth and a large amount of the bioflocculant was released into the culture at the end of the stationary phase, with the ability to make flocculation of kaolin clay suspension. The effect of cation concentration rate was also evaluated. The flocculating of bioflocculant was stimulated by the addition of Ca2+, with an optimum concentration of 0.068 mM. The cell flocs were deflocculated not only by trypsin, but also by EDTA which was after 10 hours by 1 mM EDTA.

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APA: Copy

VOSOUGHI, M., AALEMZADEH, I., & SALEHIZADEH, H.. (2001). CHARACTERISTICS OF A BIOPOLYMER FLOCCULENT PRODUCED BY BACILLUS SP.AS-101. SCIENTIA IRANICA, 8(3 (BIOTECHNOLOGY AND BIOENIRONMENTAL ENGINEERING)), 207-210. SID. https://sid.ir/paper/289389/en

Vancouver: Copy

VOSOUGHI M., AALEMZADEH I., SALEHIZADEH H.. CHARACTERISTICS OF A BIOPOLYMER FLOCCULENT PRODUCED BY BACILLUS SP.AS-101. SCIENTIA IRANICA[Internet]. 2001;8(3 (BIOTECHNOLOGY AND BIOENIRONMENTAL ENGINEERING)):207-210. Available from: https://sid.ir/paper/289389/en

IEEE: Copy

M. VOSOUGHI, I. AALEMZADEH, and H. SALEHIZADEH, “CHARACTERISTICS OF A BIOPOLYMER FLOCCULENT PRODUCED BY BACILLUS SP.AS-101,” SCIENTIA IRANICA, vol. 8, no. 3 (BIOTECHNOLOGY AND BIOENIRONMENTAL ENGINEERING), pp. 207–210, 2001, [Online]. Available: https://sid.ir/paper/289389/en

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